JPH0473254U - - Google Patents
Info
- Publication number
- JPH0473254U JPH0473254U JP11307990U JP11307990U JPH0473254U JP H0473254 U JPH0473254 U JP H0473254U JP 11307990 U JP11307990 U JP 11307990U JP 11307990 U JP11307990 U JP 11307990U JP H0473254 U JPH0473254 U JP H0473254U
- Authority
- JP
- Japan
- Prior art keywords
- key
- rounding
- keys
- rounding process
- arithmetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Calculators And Similar Devices (AREA)
Description
第１図は、本考案の一実施例の回路構成を示す
ブロツク図、第２図は、同実施例の動作を説明す
るためのフローチヤート、第３図は、同実施例の
動作の過程を説明するための図である。
１……キー入力部、２……制御部、２１……Ｆ
Ｏフラグ、２２……Ｆ１フラグ、３……記憶部、
３１……Ｘレジスタ、３２……Ｙレジスタ、４…
…演算部、５……表示部。
FIG. 1 is a block diagram showing the circuit configuration of an embodiment of the present invention, FIG. 2 is a flowchart for explaining the operation of the embodiment, and FIG. 3 is a diagram showing the process of operation of the embodiment. It is a figure for explaining. 1...Key input section, 2...Control section, 21...F
O flag, 22...F1 flag, 3...storage section,
31...X register, 32...Y register, 4...
...Arithmetic section, 5...Display section.
Claims (1)
ー入力部を具備し、このキー入力部からのキー入
力順に演算を実行する小型電子式計算機において
、 上記キー入力部より入力されるキー入力のうち
演算キーについてその種類を記憶する記憶手段と
、 上記演算キーのキー入力に続いて丸め処理が指
示されるとこの時点の演算結果データを所定の桁
あるいは桁数で丸め処理する丸め処理実行手段と
、 この丸め処理実行手段での丸め処理後に上記キ
ー入力部の置数キーより入力される置数データに
対して上記丸め処理実行手段の丸め処理結果と上
記記憶手段に記憶された演算キーの種類により決
定される演算を実行する演算手段とを具備したこ
とを特徴とする小型電子式計算機。[Claims for Utility Model Registration] A small electronic calculator that is equipped with a key input unit having at least a numeric key and arithmetic keys, and that executes calculations in the order of key inputs from the key input unit, a storage means for storing the types of calculation keys among the key inputs; and a storage means for storing the types of calculation keys among the key inputs, and rounding the calculation result data at this point to a predetermined digit or number of digits when rounding processing is instructed following the key input of the calculation key. a rounding process execution means; and a rounding process result of the rounding process execution unit and stored in the storage unit for the numeric data inputted from the numeric keys of the key input unit after the rounding process by the rounding process execution unit. 1. A small electronic calculator characterized by comprising: arithmetic means for executing an arithmetic operation determined by the type of the arithmetic key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11307990U JPH0473254U (en) | 1990-10-30 | 1990-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11307990U JPH0473254U (en) | 1990-10-30 | 1990-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0473254U true JPH0473254U (en) | 1992-06-26 |
Family
ID=31860625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11307990U Pending JPH0473254U (en) | 1990-10-30 | 1990-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0473254U (en) |
-
1990
- 1990-10-30 JP JP11307990U patent/JPH0473254U/ja active Pending
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